Foot-long or six-inch, from 18 April customers in the U.S can order from more than 26,500 Subway restaurants.

Announced at the F8 Facebook Developer Conference with Agilitee, the ‘first-of-its-kind sandwich ordering bot’ will see customers able to order their favourite sandwich, while also being able to customise it with their favourite bread, cheese, salad and sauce, just like in stores.

(Picture: Getty)

There will be an option to pay on any device that supports Messenger, so there’ll be no worry about not having enough cash lying around the house upon delivery, either.

According to a Subway press release, to use the bot, all customers will need to do is launch the Messenger app, visit Messenger.com or visit Facebook.com/subway and tap ‘Start Order’.

(Picture: Getty)

The bot will ask for the user’s location to find the closest Subway restaurant and then, the user is guided through selecting the sub bread, cheese, vegetables and sauce, as well as drinks and cookies.

Carman Wenkoff, Subway’s Chief Information, and Digital Officer, said: ‘Our bot for Messenger was just deployed in more than 26,500 U.S. Subway® restaurants- the largest deployments of a Messenger bot in the restaurant industry. We’re proud to offer our guests an innovative new way to order and pay outside the restaurants.

‘This is a new initiative in the on-going quest to enhance the guest experience.

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